After updating the bridge window resources, the PCI_COMMAND_IO and
PCI_COMMAND_MEMORY bits of the bridge must be addressed as well.
Signed-off-by: Sergey Miroshnichenko <s.miroshnichenko@xxxxxxxxx>
---
drivers/pci/pci.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 3a83e05f8363..55cf18389c15 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1578,6 +1578,14 @@ static void pci_enable_bridge(struct pci_dev *dev)
pci_enable_bridge(bridge);
if (pci_is_enabled(dev)) {
+ int i, bars = 0;
+
+ for (i = PCI_BRIDGE_RESOURCES; i < DEVICE_COUNT_RESOURCE; i++) {
+ if (dev->resource[i].flags & (IORESOURCE_MEM | IORESOURCE_IO))
+ bars |= (1 << i);
+ }
+ do_pci_enable_device(dev, bars);
+
if (!dev->is_busmaster)
pci_set_master(dev);
mutex_unlock(&dev->enable_mutex);
--
2.20.1
